ALU and IAS Flashcards
1
Q
Define the ALU.
A
The ALU processes data that requires mathematical calculations to be carried out. It also performs logical comparisons to assist with decision making.
2
Q
What is Arithmetic Operations?
A
Deals with calculations, e.g. 1+2=3
3
Q
What is Logical Operations?
A
Deals with any logical comparison, such as the comparison between numbers, e.g. 2>1
4
Q
What is IAS
A
Immediate Access Store (IAS) is a combination of a number of component parts.
5
Q
What is the role of the IAS
A
Each memory location has a unique address assigned to it. It holds all data and programs currently running.
6
Q
List the components of an IAS
A
ROM
RAM
Registers
Cache
